寒冷地区混合钢结构住宅节能检测与分析
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摘要
为了评价寒冷地区混合钢结构住宅的节能性能,通过对该地区典型钢结构住宅的调研,选取一幢具有代表性的混合钢结构住宅进行现场节能检测,根据实测数据计算围护结构传热系数和实际能耗,分析能耗影响因素、评价主要耗能部位的节能效果,检测结果表明:典型建筑仅达到节能50%,不满足现阶段节能65%的要求;混合结构中钢框架部分形成的热桥对整体热工性能产生较大影响;混合钢结构建筑常用的蒸压轻质混凝土墙板存在明显的热工缺陷。针对存在问题,提出相关热工设计建议。
In order to evaluate energy-saving performance of the composite steel residential building in cold region,an investigation on energy-saving behavior of composite steel residential buildings is carried out.Based on that,an on-site test on envelope of a typical composite steel residential building in cold region is conducted.The heat transfer coefficient of envelope and its actual energy consumption are calculated by use of the testing data;the influential factors on energy-saving performance and the parts that consumed the heating energy most are analyzed.The results indicate that the typical composite steel residential building can meet50%energy-saving standard but could not the 65%standard;the heat bridge effect that existed in steel structure could decrease the overall energy-saving performance;the common used ALC wall panel has an evident deficiency in its thermal behavior.Finally the thermal design recommendations about composite steel residential buildings are proposed.
In order to evaluate energy-saving performance of the composite steel residential building in cold region,an investigation on energy-saving behavior of composite steel residential buildings is carried out.Based on that,an on-site test on envelope of a typical composite steel residential building in cold region is conducted.The heat transfer coefficient of envelope and its actual energy consumption are calculated by use of the testing data;the influential factors on energy-saving performance and the parts that consumed the heating energy most are analyzed.The results indicate that the typical composite steel residential building can meet50%energy-saving standard but could not the 65%standard;the heat bridge effect that existed in steel structure could decrease the overall energy-saving performance;the common used ALC wall panel has an evident deficiency in its thermal behavior.Finally the thermal design recommendations about composite steel residential buildings are proposed.
引文
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[2]彭晓彤,顾强.钢框架内填钢筋混凝土剪力墙混合结构破坏机理及塑性分析[J].工程力学,2011,28(8):56-61.
[3]黄襄云.曹京原,马玉宏,等.钢-混凝土高层结构抗震性能振动台试验研究[J].地震工程与工程震动,2011,31(2):68-74.
[4]Peng Xiaotong,Hou Yingying,Xia Lei.Plastic analysis on the semi-rigid steel frame-composite steel plate shear wall structure[J].Applied Mechanics and Materials,2013,351:219-222.
[5]李慧.高层钢筋混凝土框架-核心筒结构体系的优化研究[D].广州:广州大学,2012.
[6]Peng Xiaotong,Cu Qiang..Seismic behavior analysis for composite structures of steel frame-reinforced concrete infill wall[J].Structural Design of Tall and Special Buildings,2013,22(8):831-846.
[7]朱佳音.寒冷地区“被动式房屋”模式研究及能耗分析[D].大连:大连理工大学,2009.
[8]王端.夏热冬冷地区居住建筑节能评估中的检测方法探讨[J].新型建筑材料,2007(10):57-59.
[9]董孟能,吕忠,莫天柱,等.夏热冬冷地区热桥对建筑能耗影响的定量分析[J].重庆建筑大学学报,2008,30(1):5-8.
[10]沈莉莉.山东地区钢-混凝土混合结构住宅体系的节能与技术经济分析[D].济南:济南大学,2011.
[11]马力,魏代晓.建筑物围护结构传热系数现场检测技术分析[J].建筑节能,2012,40(3):63-65.
[12]姜玉梅,刘立武,魏代晓,等.既有建筑围护结构传热系数现场检测技术分析与探讨[J].制冷与空调,2012,26(6):241-245.
[13]吴培浩,麦粤帮,路建岭.建筑围护结构传热系数现场检测方法的改进及应用[J].新型建筑材料,2011(4):79-83.
[14]JGJ26—2010,严寒和寒冷地区居住建筑节能设计标准[S].
[15]JGJ 26—1995,民用建筑节能设计标准(采暖居住建筑部分)[S].
[16]肖君,赵平,荆龙飞.建筑节能技术的效能评价研究[J].建筑技术,2012,43(12):1078-1079.
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